Interaction of light filaments generated by femtosecond laser pulses in air

被引：119
|
作者：
Xi, TT [1 ]
Lu, X [1 ]
Zhang, J [1 ]
机构：
[1] Chinese Acad Sci, Inst Phys, Lab Opt Phys, Beijing 100080, Peoples R China
来源：
PHYSICAL REVIEW LETTERS | 2006年 / 96卷 / 02期
关键词：
D O I：
10.1103/PhysRevLett.96.025003
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
The interaction of two light filaments propagating in air is simulated. Simulations show that the interaction of the two light filaments displays interesting features such as attraction, fusion, repulsion, and spiral propagation, depending on the relative phase shift and the crossing angle between them. A long and stable channel can be formed by fusing two in-phase light filaments. The channel becomes unstable with the increase of the crossing angle and phase shift. The interaction of two light filaments in different planes is studied and the spiral propagation is observed.
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页数：4
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